ER #244, September 2009


Issue Contents

0W6OZIHalverson,Photographs of Hams
2Eliminating the Heathkit VTVM BatteryMarcellino,Test Equipment
7Discussion of Military Headsets and Speakers, A From 1944 to 1990Platt,Military
16British HF AM Transmitter Gallery, The Panda Cub, Part 2, TheGordon-Smith,Transmitters
25Residential Service and Utilization VoltagesReeve,Miscellaneous - Technical
30Brief History of Automatic Telegraph Keys and Homebrewing Bugs and Paddles, ALogin,Miscellaneous - General
3832S-3 Speech Bandwidth ImprovementsSherwood,Modifications
38AGC and Product Detector Changes for the Collins 75S-3B/C ReceiversSherwood,Modifications
42Swan VHF-150 2-Meter Linear Amplifier, TheRiff,Amplifiers
45Command Set Receiver Controller UpdateLong,Collecting/Repair/Restoration
45Equipment Requirements for Successful Electronics UpgradesFelton,Collecting/Repair/Restoration
46W6OZI,Photographs of Hams
48K6GLH,Photographs of Hams
48W6RXK,Photographs of Hams


Electric Radio #244, September 2009

Additional information

Weight3.4 oz
Dimensions9 × 6 × .25 in